4040082 has 12 divisors (see below), whose sum is σ = 8753550. Its totient is φ = 1346688.

The previous prime is 4040059. The next prime is 4040083. The reversal of 4040082 is 2800404.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3101121 + 938961 = 1761^2 + 969^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 224449 = 4040082 / (4 + 0 + 4 + 0 + 0 + 8 + 2).

It is not an unprimeable number, because it can be changed into a prime (4040083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112207 + ... + 112242.

Almost surely, 2^4040082 is an apocalyptic number.

4040082 is an abundant number, since it is smaller than the sum of its proper divisors (4713468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4040082 is a wasteful number, since it uses less digits than its factorization.

4040082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224457 (or 224454 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 4040082 is about 2009.9955223831. The cubic root of 4040082 is about 159.2685623808.

Adding to 4040082 its sum of digits (18), we get a square (4040100 = 2010²).

Adding to 4040082 its reverse (2800404), we get a palindrome (6840486).

The spelling of 4040082 in words is "four million, forty thousand, eighty-two".